Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Biografía de Philip K. Dick, uno de los escritores de ciencia ficción más innovadores, ambiciosos y potentes de la segunda mitad del siglo XX. Pero no solo eso, porque su influencia se extiende mucho más allá del género.

Presents profiles of fourteen Latino baseball players who, from 1900 through the 1960s, were pioneers of the sport in their home countries and the United States.

Have you ever wondered how the wind makes a kite fly? Learn about the wind with this fun STEAM book for kindergarten that makes it easy for parents and teachers to introduce STEAM and beginner science topics to their youngest learners. Created in collaboration with Smithsonian, this Spanish book uses real-world examples to make STEAM topics easier to understand. It features an age-appropriate STEAM activity that is perfect for makerspaces and introduces English language learners to the steps of the engineering design process. It helps beginning readers learn to read and is ideal for...

El Monopoly y las obras caritativas; el altruismo y el cálculo de intereses egoístas; los nuevos ricos -altos ejecutivos con remuneraciones estratosféricas- y los nuevos pobres -los asalariados; el mundo multipolar sin fronteras y el renacimiento de las pulsiones nacionalistas; la nueva China que reproduce desigualdades dickensianas y las consecuencias paradójicas de la política del "hijo único"; la crisis del euro y las medidas de austeridad; los avances en biología y genética y la nueva servidumbre digital; las subprime y la lógica mercantil aplicada a la sanidad y la educación;...